MODEL: HJF

HJF SPECIFICATIONS

ES-3480 Rev.11 Page 1/3

http://www.m-system.co.jp/

Space-saving Plug-in Signal Conditioners H-UNIT

2-input MATH FUNCTION MODULE

(field-programmable)

Functions & Features

• Providing temperature or pressure compensation for a gas

flow, and other arithmetic operations

• Microprocessor based

• Equation and parameters

selectable on site via hand-held programmer PU-2x

• Loop testing

• High-density mounting

Typical Applications

• Various flowmeters

• Adding two flows

• Ratio calculation

• Calculating average temperature

26 (1.02)

93

(3.66)

mm (inch)

137

(5.39)

MODEL: HJF–[1][2]–R[3]

ORDERING INFORMATION

• Code number: HJF-[1][2]-R[3]

Specify a code from below for each of [1] through [3].

(e.g. HJF-6A-R/3/Q)

• Parameters

Use Ordering Information Sheet (No. ESU 1980). Default

setting will be used if not otherwise specified.

• Specify the specification for option code /Q

(e.g. /C01/S01)

[1] INPUT

Current

A: 4 – 20 mA DC (Input resistance 100 Ω)

Voltage

6: 1 – 5 V DC (Input resistance 1 MΩ min.)

[2] OUTPUT

Current

A: 4 – 20 mA DC (Load resistance 600 Ω max.)

Voltage

6: 1 – 5 V DC (Load resistance 500 Ω min.)

POWER INPUT

DC Power

R: 24 V DC

(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[3] OPTIONS (multiple selections)

Equation (Refer to the EQUATION table)

/1: Temperature compensation for DP flowmeter (ideal gas)

/2: Pressure compensation for DP flowmeter (ideal gas)

/3: Addition/subtraction

/4: Multiplication

/5: Division

Other Options

blank: none

/Q: Option other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to M-System's web site.)

/C01: Silicone coating

/C02: Polyurethane coating

/C03: Rubber coating

TERMINAL SCREW MATERIAL

/S01: Stainless steel